Panasonic SB-WA870EB Service Manual page 17

SCHEMATIC DIAGRAM-1
POWER CIRCUIT
C551
0.01
E501
K4CZ01000027
R506
15K
R505
15K
SUBW
CN501
AC1
1
DC_DET
2
AC2
3
SYS6V
4
HP_CNT
5
D.GND
6
FL
7
SUB+B
8
A.GND
9
A.GND
10
FR
11
SL
TO
12
MAIN CIRCUIT
A.GND
13
(JK2000) OF
SR
SA-HT870E/EB/EG-S
14
C
15
A.GND
16
SW
17
A.GND
18
PCONT
19
FAN_DRIVE
20
SYNC
21
FL
22
AC2
23
FL
24
AC1
25
FAN_DRV
1
L_in
2
GND
TO
3
R_in
AMPILIFER CIRCUIT
4
(H602/W602) ON
ACIN
5
SCHEMATIC
HMUTE
6
DIAGRAM-4
DCDET
7
GND
8
CN602
+
1
TO FAN
-
2
CN507
26 25 24 23 22 21 20 19 18
R501
4.7K
R502 C507 18P
4.7K
R514
C508 18P
R516
C510 22P
C503
1000P
R515
C509 22P
R509
4.7K
R511
15K
R550
10K
R512
R551
15K
10K
C516
C515
0.01
0.01
C517
0.01
R544
R402
100
1K
R541
100
B1GCCFJJ0015
R542
100
INTERFACE SWITCH
D504
B1GCCFJJ0015
B0AACK000004
INTERFACE SWITCH
D503
MA2C700A0F
R545
220K
R547
D503
390K
C534 R548
50V33 330K
2SD0592ARA
R603
10K FAN MOTOR DRIVE
D560
Q557
D560
B0AACK000004
D558,D559
B0AACK000004
D559
D558
R583
100
R584
47K
C576
50V 10
C577
16V 10
: MAIN SIGNAL LINE
: -B SIGNAL LINE
: +B SIGNAL LINE
IC501
17 16 15 14 13 12 11 10 9 8
R513
56K
56K
R524
120K
56K
R526
120K
R525
150K
56K
C513
0.047
R529
22K
R530 1
R532
Q520 4.7K
Q503
KTC3199GRTA
Q506
R546 1K
Q501
Q557
R611
10K
Q554
B1ACCF000063
C574
FAN MOTOR DRIVE
0.01
Q554
C575 D556
R582 0.01
B0BA01100004
220K
C570
25V 330
Q555
Q555
2SD0592ARA
R566 22 R605 22
FAN MOTOR DRIVE
R606 22
R607 22
17
SB-WA870EB / SB-WA870EG
IC501
RSN311W64B-P
POWER HIC
7 6 5 4 3 2 1
D501-D502
B0JAPG000019
R531 1
Q503
SWITCH
Q501-Q502
KTC3199GRTA
Q502
SWITCH
D562
B0AACK000004
Q552
B1ACCF000063
R581
FAN MOTOR DRIVE
6.8K
R562
4.7K
R564
220K
Q552
Q553
R602
4.7K
D555
B0AACK000004
C579
R563
0.01
1K
Q553
2SD0592ARA
FAN MOTOR DRIVE
R604
2.2M
C580
50V 2.2
R558
100K
R559
10K
C578
0.01